Perforated note-sheet for automatic music-playing instrument.



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.No. 889,905. PATENTED JUNE 9, 1908.

- M. CLARK. PBRFORATED NOTE SHEET FOR AUTOMATIC MUSIC PLAYING INSTRUMENTS.

APPLICATION FILED JUNE 7. 1907.

Q MQM IIIIIII'III IIIIIIIIIIIII IIIIIIII III, IIIIIIfl/II/ MELVILLE CLARK, OF CHICAGO, ILLINOI S.

PEBFORATED NOTE-SHEET FOR AUTOMATIC MUSId-PLAYING INSTRUMENTS.

Specification of Letters Patent. Application filed June 7, 1907. Serial Ito. 877,694.

Patented June 9, 1908.

To all'whom it may concern:

Be itknown that-I, MELVILLE CLARK, a citizen of the United States, residing at Chicago, in the county of Cook and State of- Illinois, have invented new and useful Improvements in Perforated N ote-Sheets for Automatic Music-Playing Instruments, of which the following is a specification, reference being had to theaecompanying drawings, forming a part thereof.

This invention is designed to provide-an improved construction of perforated note sheet for accenting or emphasizing any desired notes, as', for exainp e, the notes conlayed stitutin the melody of apiece of music y an automatic music-playing'instrument especially adapted for that purpose when the melody notes are played by the same automatic action as the rest of the music.

It consists of the features of construction which are shown and described as indicated in the claims.

In the drawings Figure 1 is a front elevation showing aportion of a perforated note sheet embodying this invention located inoperative conjunction with a tracker board 0 an automatic music-playing instrument, the note-sheet being broken away touncover the mouth edgeof the trackerboard. Fig.

' 2 is a similar view presenting a modification .tional form of duct mouth to accomplish t in which 'the tracker board has an excelpf e purpose of the invention; Fig. 3 is a view similar to the preceding figures in whichthe perforated sheet and the tracker board have respectively special form of .aperture and special formof duct-mouth cooperating t o effect the purpose of'the invention.

Fig. 4 is a detail section at the line 4'4, on Fig. 3..

Fig. 5 is a detail section at the line 55 on 4 Fig; 2. I y. I p 't. is understood in the 'art of, auto-pneu -matic music-playing instruments that special devices ma be provided .and automatically controlled or causin the striking devices to operate mo, or less orcibly upon the sounding devices ofj'the instrument played, and

that for selecting particular notes to be thus exceptionally sounded there may be provide certain supplemental apertures in the note sheet for .controlling the stroke-modify- I devices, the apertures for the notes to be cted being cut out of line with the remaining apertures of theirrespective chords soastofreach the corresponding tracker duct apertures corresponding to a chor music? These s ecial apertures, a, are cut mouths at the time the strikin' devices are under the control of the stro e-modiiyin devices, so that these particular notes, an

these only whose apertures are thus cut out of line with the remainder, shall experience the effect of the tone-modifying devices; In Fig. l-of the drawings, for example, there are shown in'the perforated note sheet, .A,

apertures, a, a, for playing theaccompaniment notes and apertures, a for playing the melody notes, one such special aperture, a being present in each transverse roup Ipf o t e in advance of t e apertures, a, and in line with a supplementa aperture a, which is' designed to cooperate with acorresponding supplemental tracker duct for controlling the stroke-modifying devices, whatever they may be and without regard to their specific character. When the apertures, a, anda, reach their. respective tracker'mouths, the" stroke-modifying devices being operated or adfiusted by the pneumatic action which is 1n uenced ,through the aperture,-. a, the

stroke which is produced by the automatic action which is mfluenced by the a erture, a, will-be exceptional; and this stro ehaving been made,'-promptly' thereafter,and so shortly after that the interval will not be unpleasantly perceptible, the remaining apertures,a, of the "chord reach their respective tracker duct mouths and cause the accompanimentv notes to be sounded without the exce tional character. th certain forms of construction the tone-modifying device 1s of such character that it must be caused to operateafter the notes of the accompaniment have been struck so that they shall not be affected by it, and in such case the marginal perforatlon of the note sheet and the specialized a erture for the melody note will be cut back o their normal' alinement with other apertures in order to, specialize the melody note. Suchconstructron is illustrated'in. Fig. 2; lnlelther' case, unless .s ecialprovision to the cco'ntary' is made, w en the trackerboard is made adjustable transversely with respect to the notesheet'or the, note sheet made adjustable width-wise with res ct to the tracker board for tran'sposing the ey in which the musicis played, such adjustment wouldcarry the mouth ofthe. tracker duct which cooperateswith the marginal aperture, a, of they tracker sheet out of the path. g t-that aperture, and

' sheet.

.thes ecializing of the melody notes would be the note sheet having its dimension transpossi le only at one point within the range of transposition thus provided for. To overcome this defect and make the expedient for specializing or emphasizing the'melody operative throu hout the entire range of transposition provided for by the relative adjust ments of which the tracker board and note sheet are made susceptible, I make the marginal aperture, c of the note sheet elongated transversely of the path of travel of the sheet, such elongation being suflicienttopover the whole or any desired portion of the range of r transposition. An obvious modification or supplement of this expedient consists in expanding longitudinally with respect to the tracker board,that is, transversely with respect to the path of the note-sheet,the mouth of the tracker duct which cooperates with the marginal aperture, a, of the note The two eXped-ients may be combined, a part of the range of transposition being provided for by elongating the aperture and the remainder by ex anding the'tracker duct mouth. In Fig. 3- have shown both expedients and this figure may be taken as indicating a provision for a portion of the transposition in each of the two cooperating elements-tracker board and note sheetbut it Will-be understood also without further specific illustration that either element may I be made to provide'forthe full range of transposition, the other element in that casebee mgleftof normal dimensions.

claim:'- 7 v 1. In an automatic musiceplaying instrument, in combination with a tracker board havin .a supplemental duct; a perforated note s eet having apertures for the notes to be emphasized out out of normal tracker alinement at their leading-endswith the notes which are not tobe emphasized, and a suplplemental aperture for cooperation with sup lemental tracker duct, alsocorrespondinlg y, cut out ofnorrnal tracker aline Iflent Wltll the apertures forthe unemphasue sized notes, said supplemental-aperture of verse of the path of the movement of the note sheet greater than the distance from center to center of the note-controlling tracker-duct mouths.

2. In an automatic music playing instrument, in combination With a tracker board having a supplemental duct; a perforated note sheet having apertures for the notes to be emphasized cut out of normal tracker alinement at their leading ends with the notes which are not to be emphasized, and a supplemental aperture for cooperation with such supplemental tracker duct, also correspondingly cut out of normal tracker alinement with the apertures for the unemphasized notes, the niouth of said supplemental tracker duct having its dimensions transverse to the path of movement of the note sheet greater than the distance from center to center of the note-controlling duct-mouths of the tracker-board.

3. In an automatic music-playing instrument, in-combination with a tracker board having a supplemental duct; a perforated note sheet having apertures for the notes to be emphasized cut out of normal tracker alinement at'their leading ends with the noteswhich are not to be emphasized, and a supplemental aperture for cooperation with such supplemental tracker duct, also corresponding y cut out of normal tracker alinement with the apertures for the unemphasized notes, such supplemental note-sheet tracker duct having their respective dimensions transverse to the path oflmovement of the note sheet greater than the distance from center to centerof the note-controlling tracker duct mouths.

' In testimony whereof, I have hereunto set my hand at Chicago, Illinois, this 18th day of "May, 1907 MELVILLE CLARK. Witnesses:

J. S. ABBOTT,

M. Guam-Una Any.

aperture and the mouth of the supplemental 

